Não informado. (1903). South African Journal of Science. Associated Scientific & Technical Societies of South Africa.
Style de citation Chicago (17e éd.)Não informado. South African Journal of Science. Johannesburg, Africa do Sul: Associated Scientific & Technical Societies of South Africa, 1903.
Style de citation MLA (8e éd.)Não informado. South African Journal of Science. Associated Scientific & Technical Societies of South Africa, 1903.
Attention : ces citations peuvent ne pas être correctes à 100%.